Fastest pitches in MLB history: Brewers' Jacob Misiorowski breaks own hardest-fastball record
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Fastest pitches in MLB history: Brewers' Jacob Misiorowski breaks own hardest-fastball record originally appeared on The Sporting News. Add The Sporting News as a Preferred Source by clicking here.
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On Friday, while many eyes were waiting for Team USA to begin their 2026 World Cup campaign, Milwaukee Brewers pitcher Jacob Misiorowski quietly made MLB history.
In the first inning against the Philadelphia Phillies, the flamethrower hurled a blazing 104.5 mph pitch to Kyle Schwarber. Here's an side-note: it was only the fifth pitch of the game.
The Brewer walked away from Friday night's game with a complete-game shutout that featured just one hit given up and 15 strikeouts in a 6-0 victory over Philadelphia.
The MLB shared on their social media that Misiorowski's pitch was the fastest in MLB history for a starting pitcher. Along with that pitch, how does it stack up across both starters and relievers across the league's stat-tracking era?
Here's where Misiorowski's 104.5 mph fastball ranks in MLB history, and a look at some other numbers related to Milwaukee's young ace.
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Fastest pitches in MLB history
On Friday night, Misiorowski hurled a 104.5 mph fastball at Kyle Schwarber in the first inning, just five pitches into his outing. While the Pokémon card-collecting flamethrower just missed out on the all-time ranks in fastest pitches in MLB history, it is nonetheless an incredible feat.
JACOB MISIOROWSKI JUST HIT 104.5 MPH — THE FASTEST PITCH BY A SP IN MLB HISTORY pic.twitter.com/J9fXQauDeS
— Milwaukee Brewers (@Brewers) June 12, 2026
Here are the fastest pitches in MLB history in the stat-tracking era:
RankPitcherPitch speed (mph)Date1.Aroldis Chapman105.8Sep. 24, 20102.Aroldis Chapman105.7July 18, 20163.Ben Joyce105.5Sept. 3, 20244.Aroldis Chapman105.4July 18, 20165. Aroldis Chapman105.2July 22, 2016T6Aroldis Chapman105.1Aug. 7, 2024T6Aroldis Chapman105.1Aug. 2, 2016T6Aroldis Chapman105.1July 22, 2016T6Aroldis Chapman105.1July 18, 2016T10Jordan Hicks105May 20, 2018T10Aroldis Chapman105July 23, 2016T10Jordan Hicks105May 20, 2018MORE: When is Shohei Ohtani returning from injury?
Fastest pitches by a starter in MLB history
While the young Brewer just barely missed out on fastest-pitch history, the MLB shared on their social media that his 104.5 mph fastball was the fastest pitch by a starter in the league's history. However, this is far from Misiorowski's first time entering this list, as he has broken the record repeatedly to begin his career.
Here are the fastest pitches by a starting pitcher in MLB history since 2008. Spoiler alert, Misiorowski is a frequent on the top charts:
RankPitcherPitch speed (mph)Date1.Jacob Misiorowski104.5June 12, 20262.Jacob Misiorowski103.7June 7, 2026T3Jacob Misiorowski103.6May 8, 2026T3Jacob Misiorowski103.6May 8, 2026T3Jacob Misiorowski103.6May 8, 20266.Jacob Misiorowski103.5May 8, 2026T7Jacob Misiorowski103.3May 8, 2026T7Jacob Misiorowski103.3May 8, 2026T8Jacob Misiorowski103.2May 8, 2026T8Jordan Hicks103.2July 12, 2022T10Jacob Misiorowski103.1May 8, 2026T10Jordan Hicks103.1July 12, 2022T10Justin Verlander103.1Oct. 13, 2011Jacob Misiorowski 2026 stats
Misiorowski has had a stellar 2026 season thus far. He is comfortably in the conversation for the NL Cy Young Award, which already has a strong field of Philadelphia's Cristopher Sanchez and Los Angeles Dodgers' Shohei Ohtani.
Here is how the 24-year-old has tallied up across the board so far in 2026:
IPERAWHIPK'sBB78.01.500.8111622Jacob Misiorowski contract details
Misiorowski is currently on a one-year, $788,300 pre-arbitration contract with the Brewers, according to Spotrac.
A pre-arbitration deal is typically for young players who are just starting out in the MLB. Players who have less than three years of service time often get these deals and have little to no leverage in negotiating a new salary. Misiorowski will be a free agent following the 2031 season if the Brewers do not extend him.